Leviticus 19:9

9 “ ‘When you reap the harvest of your land, do not reap to the very edges of your field or gather the gleanings of your harvest.

Read Leviticus 19:9 Using Other Translations

And when ye reap the harvest of your land, thou shalt not wholly reap the corners of thy field, neither shalt thou gather the gleanings of thy harvest.
"When you reap the harvest of your land, you shall not reap your field right up to its edge, neither shall you gather the gleanings after your harvest.
“When you harvest the crops of your land, do not harvest the grain along the edges of your fields, and do not pick up what the harvesters drop.